Grindstone Running Festival by Utmb

SEP
23-26
2027
Trail festival in the Shenandoah Valley region with 100M, 100K, 50K and 21K on technical mountain trails during peak fall foliage; dual qualifier for major events.
23-26 Sep 2027
UTMB 20K/50K/100K/100M 167 kilometers 100 kilometers 50 kilometers Half Marathon

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About the race

The Grindstone Running Festival by UTMB is a multi-distance trail event held in the Shenandoah Valley region and surrounding national forest. Courses run through sections of the George Washington and Jefferson National Forest and across Appalachian ridges, with trail terrain that includes steep climbs, ridgelines, peaks, and valleys. The event is scheduled during peak fall foliage and offers mountain views and wooded trails.

Distances and approximate elevation gains:

  • 100M : 167.4 km, 6400 m+ elevation gain
  • 100K : 100 km, 3350 m+ elevation gain
  • 50K : 50 km, 1550 m+ elevation gain
  • 21K : 21 km, 500 m+ elevation gain

The festival is a qualifier for the UTMB World Series Finals and for the Western States Endurance Run. The event uses UTMB Community Bibs as part of a charity program administered with The IRONMAN Foundation; half of the Community Bib registration costs are directed to a local charity chosen by the race team. The IRONMAN Foundation reports long-term charitable contributions across its programs totaling over $60 million since 2003. The festival emphasizes trail stewardship and running in a natural, mountainous setting. Visit the organization's website for the most recent information.

167 km
100m
100 km
100k
50 km
50k
Half Marathon
21k

Events nearby

Fundraising trail event in Crozet with 5K, 10K and a 0.75 miles family run, limited fields, race shirts, pancakes and a post-race trails fest.
A spring mountain trail event in the Blue Ridge Mountains on March 20, 2027, offering 50 mile, 50k and 25k races on mostly single track and forest roads, with limited entries and cabins at the start finish.
A limited-field trail ultrarun in Jefferson National Forest offering a roughly 60 km course with a 50 km Party Route, three aid stations, and required self-sufficiency.
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